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<?php
# Lifter001: DONE
# Lifter002: TODO
# Lifter007: TODO
# Lifter003: TODO
# Lifter010: TODO
/*
wiki.php - (No longer so) Simple WikiWikiWeb in Stud.IP
@module wiki
@author Tobias Thelen <tthelen@uos.de>
Copyright (C) 2003 Tobias Thelen <tthelen@uni-osnabrueck.de>
Contains code (regex for WikiWord detection) from Blast Wiki http://www.roboticboy.com/wiki/ (GPL'd)
Contains code (diff routine) from PukiWiki http://www.pukiwiki.org (GPL'd)
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
require '../lib/bootstrap.php';
page_open(["sess" => "Seminar_Session", "auth" => "Seminar_Default_Auth", "perm" => "Seminar_Perm", "user" => "Seminar_User"]);
$auth->login_if(Request::get('again') && ($auth->auth["uid"] == "nobody"));
include ('lib/seminar_open.php'); // initialise Stud.IP-Session
// -- here you have to put initialisations for the current page
require_once 'lib/wiki.inc.php';
$view = Request::get('view');
$keyword = Request::get('keyword');
$version = Request::int('version');
$cmd = Request::option('cmd');
if ($view === 'wikiprint') {
printWikiPage($keyword, $version);
page_close();
die();
} elseif ($view === 'wikiprintall') {
printAllWikiPages(Context::getId(), Context::getHeaderLine());
page_close();
die();
} elseif ($view === 'export_pdf') {
exportWikiPagePDF($keyword, $version);
} elseif ($view === 'exportall_pdf') {
exportAllWikiPagesPDF('all', Request::option('sortby'));
}
checkObject(); // do we have an open object?
checkObjectModule("wiki"); //are we allowed to use this module here?
object_set_visit_module("wiki");
PageLayout::setHelpKeyword("Basis.Wiki"); // Hilfeseite im Hilfewiki
PageLayout::setTitle(Context::getHeaderLine() . " - " . _("Wiki"));
if (in_array(Request::get('view'), words('listnew listall export'))) {
Navigation::activateItem('/course/wiki/'.$view);
} else if ($keyword) {
Navigation::activateItem('/course/wiki/show');
} else {
Navigation::activateItem('/course/wiki/start');
}
if (Request::option('wiki_comments') === 'none') { // don't show comments
$show_wiki_comments = 'none';
} else if ($user->cfg->WIKI_COMMENTS_ENABLE) { // show all comments
$show_wiki_comments = 'all';
} else { // show comments as icons
$show_wiki_comments = 'icon';
}
URLHelper::addLinkParam('wiki_comments', $show_wiki_comments);
ob_start();
// ---------- Start of main WikiLogic
if ($view === 'listall') {
//
// list all pages, default sorting = alphabetically
//
listPages('all', Request::option('sortby'));
} else if ($view === 'listnew') {
//
// list new pages, default sorting = newest first
//
listPages('new', Request::option('sortby'));
} else if ($view === 'diff') {
//
// show one large diff-file containing all changes
//
showDiffs($keyword, Request::option('versionssince'));
} else if ($view === 'combodiff') {
//
// show one large diff-file containing all changes
//
showComboDiff($keyword);
} else if ($view === 'pageversions') {
//
// show versions of a wiki page
//
listPageVersions($keyword, Request::option('sortby'));
} else if ($view === 'export') {
//
// show export dialog
//
exportWiki();
} else if ($view === 'search') {
searchWiki(Request::get('searchfor'), Request::get('searchcurrentversions'), Request::get('keyword'), Request::get('localsearch'));
} else if ($view === 'edit') {
//
// show page for editing
//
// prevent malformed urls: keyword must be set
if (!$keyword) {
throw new InvalidArgumentException(_('Es wurde keine zu editierende Seite übergeben!'));
}
$wikiData = getWikiPage($keyword, 0); // always get newest page
if ($wikiData && !$wikiData->isEditableBy($GLOBALS['user'])) {
throw new AccessDeniedException(_('Sie haben keine Berechtigung, Seiten zu editieren!'));
}
// set lock
setWikiLock(null, $user->id, Context::getId(), $keyword);
// show form
wikiEdit($keyword, $wikiData, $user->id);
} else if ($view === 'editnew') {
//
// edit a new page
//
$range_id = Context::getId();
$ancestor = Request::get('origin') ? : Request::get('ancestor_select');
if (!$ancestor) {
$ancestor = null;
}
$edit_perms = CourseConfig::get($range_id)->WIKI_COURSE_EDIT_RESTRICTED ? 'tutor' : 'autor';
if (!$perm->have_studip_perm($edit_perms, $range_id)) {
throw new AccessDeniedException(_('Sie haben keine Berechtigung, in dieser Veranstaltung Seiten zu editieren!'));
}
// prevent malformed urls: keyword must be set
if (!$keyword) {
throw new InvalidArgumentException(_('Es wurde keine zu editierende Seite übergeben!'));
}
$wikiData = getWikiPage($keyword, 0); // always get newest page
// warning in the case of an existing wiki page
if ($wikiData && !$wikiData->isNew()) {
PageLayout::postInfo(sprintf(
_('Die Wiki-Seite "%s" existiert bereits. Änderungen hier überschreiben diese Seite!'),
htmlReady($keyword)
));
}
// set lock
setWikiLock(null, $user->id, Context::getId(), $keyword);
//show form
wikiEdit($keyword, $wikiData, $user->id, Request::get('lastpage'), $ancestor);
} else {
// Default action: Display WikiPage (+ logic for submission)
//
if (empty($keyword)) {
$keyword = 'WikiWikiWeb'; // display Start page as default
}
releaseLocks($keyword); // kill old locks
$special = '';
if (Request::submitted('submit')) {
//
// Page was edited and submitted
//
if (Request::get('ancestor')) {
$ancestor = Request::get('ancestor');
} else {
$ancestor = WikiPage::findLatestPage(Context::getId(), $keyword)->ancestor ?: null;
}
submitWikiPage($keyword, $version, Studip\Markup::purifyHtml(Request::get('body')), $user->id, Context::getId(), $ancestor);
$version = ''; // $version="" means: get latest
} else if ($cmd === 'abortedit') { // Editieren abgebrochen
//
// Editing page was aborted
//
// kill lock (set when starting to edit)
releasePageLocks($keyword, $user->id);
// if editing new page was aborted, display last page again
$keyword = Request::get('lastpage', $keyword);
} else if ($cmd === 'really_delete') {
//
// Delete was confirmed -> really delete
//
$keyword = deleteWikiPage($keyword, $version, Context::getId());
$version = ''; // show latest version
} else if ($cmd === 'really_delete_all') {
//
// Delete all was confirmed -> delete entire page
//
$keyword = deleteAllWikiPage($keyword, Context::getId());
$version = ''; // show latest version
}
//
// Show Page
//
$page = WikiPage::findLatestPage(Context::getId(), $keyword);
if (!$page || $page->isVisibleTo($GLOBALS['user']->id)) {
showWikiPage($keyword, $version, $special, $show_wiki_comments, Request::get('hilight'));
} else {
throw new AccessDeniedException(sprintf(
_('Sie haben keine Berechtigung, die Seite %s zu lesen!'),
$keyword
));
}
} // end default action
$layout = $GLOBALS['template_factory']->open('layouts/base');
$layout->content_for_layout = ob_get_clean();
if (in_array($cmd, words('show abortedit really_delete really_delete_all'))) {
// redirect to normal view to avoid duplicate edits on reload or back/forward
header('Location: ' . URLHelper::getURL('', compact('keyword')));
} else {
echo $layout->render();
}
// Save data back to database.
page_close();
|
